Harness for upper extremity below-elbow prosthesis

a prosthesis and upper extremity technology, applied in the field of upper extremity belowelbow prosthesis, can solve the problems of general lack of range of motion necessary for adequate flexion and extension of the user's arm with the prosthesis, overall discomfort of the shoulder harness system, and user's feeling of confinemen

Active Publication Date: 2019-01-08
THOMAS MARK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although, these harness systems provide ways in which an amputee may employ a prosthesis, they generally lack the range of motion necessary for adequate flexion and extension of a user's arm with the prosthesis.
Further, these shoulder harness systems are overall uncomfortable in that they give a user a feeling of confinement and are cumbersome to wear whether over or underneath a user's shirt.
While these devices fulfill their respective, particular objectives and requirements, the aforementioned patents do not disclose a harness for an upper extremity below-elbow prosthesis having a humeral cuff, medial and lateral pivot arms having upper and lower members pivotally attached to one another; a cable system having a first cable, a second cable, a medial cable anchor, a lateral cable anchor, and a wheel having a central cable anchor.

Method used

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  • Harness for upper extremity below-elbow prosthesis
  • Harness for upper extremity below-elbow prosthesis
  • Harness for upper extremity below-elbow prosthesis

Examples

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Embodiment Construction

[0015]Reference is made herein to the attached drawings. Like reference numerals are used throughout the drawings to depict like or similar elements of the harness for upper extremity below-elbow prosthesis. The figures are intended for representative purposes only and should not be considered to be limiting in any respect.

[0016]Referring now to FIG. 1, there is shown a perspective view of the harness mounted onto an upper extremity below-elbow prosthesis. The present invention comprises a harness 10 for an upper extremity below-elbow prosthesis 12. The harness 10 comprises a humeral cuff 15 configured to receive the arm of an upper extremity, pivot arms 18 configured to attach to the forearm area of a socket 20 of the below-elbow prosthesis 12, and a cable system 22 configured to couple the pivot arms 18 and a control arm 24 of a hook of the below-elbow prosthesis 12 in order to facilitate the flexion and extension of the prosthesis 12 and the operation of the hook.

[0017]Referring ...

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Abstract

A harness for an upper extremity below-elbow prosthesis. The harness includes a humeral cuff having medial and lateral pivot arms configured to removably attach to the socket of a below-elbow prosthesis. The humeral cuff enables a user to suspend the prosthesis without the need of a shoulder strap / harness or body harness. A cable system is affixed to the pivot arms and includes a wheel coupling the pivot arms to the control arm of a hook of the below-elbow prosthesis, thereby enabling users to operate the hook by simple flexion and extension of their arm.

Description

BACKGROUND OF THE INVENTION[0001]The present invention relates to upper extremity below-elbow prostheses. More specifically, the present invention relates to a harness for an upper extremity below-elbow prosthesis capable of suspending a below-elbow prosthesis and facilitating its operation without the need of a shoulder strap / harness or body harness.[0002]The majority of below-elbow amputees utilize mechanical or body-powered prosthesis that are suspended on an amputee's body via a harness that is fastened around the amputee's shoulder or upper torso. The prosthesis is controlled by upper body movements that utilize a cable connected to the harness at one end, and to a mechanical hand, hook, or elbow at the other end. Although, these harness systems provide ways in which an amputee may employ a prosthesis, they generally lack the range of motion necessary for adequate flexion and extension of a user's arm with the prosthesis. Moreover, when opening the hook of the prosthesis, these...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A61F2/78A61F2/54A61F2/68A61F2/74A61F2/50A61F2/58
CPCA61F2/54A61F2/68A61F2/78A61F2002/7862A61F2002/5093A61F2002/543A61F2002/6872A61F2/582A61F2/588A61F2/80
Inventor THOMAS, MARK
Owner THOMAS MARK
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